Fremont County, ID Weather Alerts
Every National Weather Service alert issued for Fremont County, Idaho, pushed to your phone within moments — county code IDC043, forecast zone 2 zones (IDZ053, IDZ066). Free with StormCast.
Download on Google PlayHow the NWS identifies Fremont County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches IDC043 directly rather than matching on place names, which is why an alert arrives whether you are in Ashton or anywhere else in the county.
NWS County Code
IDC043
Forecast Zones
2 zones (IDZ053, IDZ066)
Forecast Office
Pocatello (PIH)
Radar Station
KSFX
Towns covered in Fremont County
An NWS alert for Fremont County applies to all 8 of these communities. You do not need a separate alert for each one.
River gauges in and around Fremont County
StormCast tracks 10 gauges near Fremont County. Set a flood-stage alert on any of them to get notified before the water reaches you.
- Henrys Fork near Ashton
- Fall River (WY-ID) near Chester
- Fall River (WY-ID) near Ashton
- Fall River (WY-ID) near Squirrel
- Fall River (WY-ID) above Yellowstone Canal near Squirrel
- Eastern Idaho Reservoirs at Island Park
- Henrys Fork near Island Park
- Big Springs above Big Springs
- Henrys Fork near Lake
- Eastern Idaho Reservoirs at Henrys Lake
Current conditions
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Alert types issued for Fremont County
Tornado
Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.
How tornado alerts work →Flooding
Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.
How flood alerts work →Winter
Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.
Winter warnings explained →Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.
Fire weather alerts →Heat & Cold
Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.
Frost & freeze alerts →Fremont County weather alert questions
Which NWS forecast zone is Fremont County in?
Fremont County, Idaho is NWS county code IDC043 and spans 2 forecast zones (IDZ053, IDZ066). Alerts for it are issued by the Pocatello (PIH) Weather Forecast Office, and the nearest NEXRAD radar is KSFX.
Which towns in Fremont County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Fremont County covers every community inside it, including Ashton, Chester, Island Park, Macks Inn, Newdale, Parker, Saint Anthony and Teton.
Are there river gauges in Fremont County?
Yes — StormCast monitors 10 river gauges in and around Fremont County, including Henrys Fork near Ashton, Fall River (WY-ID) near Chester, Fall River (WY-ID) near Ashton. You can set a flood-stage alert on any of them and get a push notification when the water rises.
How fast are alerts for Fremont County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for IDC043, the push notification goes out within moments — even with your screen off.